R0(config-if)#tunnel mpls traffic-eng autoroute announce
This command is to make the head-end LSR to insert IP destinations into the routing table with tunnel interface as next-hop or outgoing interface.
<Before this command applied>
<After appling this command>
show ip route
18.104.22.168/32 is subnetted, 1 subnets
O 22.214.171.124 [110/12] via 0.0.0.0, 00:00:02, Tunnel3
R0#show ip route 126.96.36.199 Routing entry for 188.8.131.52/32 Known via “ospf 1“, distance 110, metric 12, type intra area Routing Descriptor Blocks: * directly connected, via Tunnel3 Route metric is 12, traffic share count is 1